1
.
| Middle sacral artery |
2
.
| Sympathetic trunk |
3
.
| Right pointer: Ganglion of sympathetic trunk (note ramus communicans) Left pointer: Sacral nerve |
4
.
| Articular surface of sacrum |
5
.
| Left piriform muscle |
6
.
| Sacral nerve II (note ramus communicans from sympathetic trunk) |
7
.
| Sacral nerve III |
8
.
| Sacral nerve IV |
9
.
| Internal pudendal artery and vein |
10
.
| Coccyx |
11
.
| Upper pointer: Inferior gluteal artery Lower pointer: Pelvic diaphragm |
12
.
| Anal canal |
13
.
| Vagina |
14
.
| Urethra |
15
.
| Labium minus |
16
.
| Glans of clitoris |
17
.
| Lateral sacral artery |
18
.
| Common iliac artery |
19
.
| Left pointer: Internal iliac artery Right pointer: External iliac artery |
20
.
| Transversus abdominis muscle (covered by transversalis fascia) |
21
.
| Superior gluteal artery |
22
.
| Uterine artery (cut off) |
23
.
| Branch of obturator artery to iliopsoas muscle |
24
.
| Anterior superior iliac spine |
25
.
| Obturator nerve (at entrance to obturator canal) |
26
.
| Pubic symphysis |